Procurement policy and procedure for aircraft, aircraft accessories and aeronautical equipment and administrative procedure
Series: Its Bulletin -- no. 30A
Publisher: Army Air Forces] Materiel Division, Wright Field
Published: 1939
Place of publication: United States
Language: eng
Number of pages: 33
Notes: At head of title: Restricted. No. 198. War department. Air corps.

Manifold copy.

Supersedes Bulletin No. 30, dated August 30, 1935.